EP1129801B1 - Schleudergussform und Verfahren zum Lösen eines Endaufsatzes von einer Schleudergussform - Google Patents
Schleudergussform und Verfahren zum Lösen eines Endaufsatzes von einer Schleudergussform Download PDFInfo
- Publication number
- EP1129801B1 EP1129801B1 EP01103291A EP01103291A EP1129801B1 EP 1129801 B1 EP1129801 B1 EP 1129801B1 EP 01103291 A EP01103291 A EP 01103291A EP 01103291 A EP01103291 A EP 01103291A EP 1129801 B1 EP1129801 B1 EP 1129801B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- centrifugal
- casting mould
- centrifugal casting
- housing
- tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
- B22D13/101—Moulds
- B22D13/104—Cores
Definitions
- the invention relates to a centrifugal casting mold with a housing as well as an insertable in the housing insert and a End cap, wherein the end cap at least two pivotable Fliehwithiana having, based on the Centrifugal casting are arranged radially inwardly, as well as a Method for releasing an end cap from a Spin-casting.
- Known rotational or centrifugal casting molds are common hollow, cylindrical housing in which a hollow, cylindrical insert is arranged. Such a mission must be in held against the housing and against an annular shoulder in the Housing pressed.
- end covers are at one end of the housing appropriate.
- One type of end cover has one Locking ring with outer, ramped flanks and a outer cover on which on the end portion of the housing is screwed on.
- the outer cover has a Cam surface, which cooperates with the ramps to to move the locking ring axially inwards to the Insert in its place to jam when the Locking ring is rotated.
- To move the ring is a manually operated assembly wheel unit (for small molds) or a hydraulically operated drive ratchet mechanism (for large molds) required.
- the must Locking ring to be able to withstand high temperatures unbearable.
- Another type of end cap such as the JP 57127565 can be found, has flyweights, the which secure the end cap to the centrifugal casting mold. If the Centrifugal mold is set in rotation, the pivot Flyweights and engage in depressions on the inside of the Centrifugal casting mold on.
- DE-B-767 244 shows an apparatus for the production of Centrifugally cast hollow bodies, with one in a centrifugal shape arranged inner ring, which a Has pawl locking device.
- the Centrifugal mold a housing, an insert and a End cap on which the insert towards the housing loaded so that it is preferably at one in or on the Housing provided shoulder rests.
- the End cap flyweights, which pivot when the Centrifugal mold is set in rotation, and so with the Cooperate housing that they the end cap and with this load the insert.
- the end cap can be an attachment to the housing connectable, and have a Fliehtypicalwhere, to the centrifugal weights are attached directly or indirectly. This simplifies both the manufacture and the attachment or removing the end cap.
- the attachment can accommodate the flyweight carrier, which comes to an end of the insert to the plant and on the the flyweight elements are pivotally mounted.
- the Flyweight elements can engage the housing. Easy in the production, but it is when on the attachment a or more investment areas are provided.
- the investment area is preferably formed as a contact surface, which in essentially radially inward towards the shoulder is directed.
- the attachment element can be directly or indirectly attached to the housing abut and this have an investment area, so that preferably no further components between the housing and must be provided to the attachment. Does that know Cultivation element beyond in his investment area a Contact surface, which is at least substantially radially and extends axially in the direction of the end region, this improves the possibility of intervention of the contact area of the Fliehseeelements.
- each flyweight element an inner or a outer arm may be provided, wherein the inner arm is preferably can interact with the contact area of the attachment element and the outer arm is formed such that the tool is attached to it can attack.
- a Centrifugal mold 10 which is a hollow, cylindrical outer housing 12 having an inner, annular, towards the axis facing shoulder 14 forms.
- a hollow, cylindrical insert 16 is inserted into the housing 12.
- Of the Insert has a main body 18 with a larger one Diameter and an approach 20 with a smaller Diameter up.
- An end cap 22 has a hollow, cylindrical centrifugal weight carrier 24 or an inner ring, on which a plurality (preferably three), flyweight elements 26 are mounted, and a ring or a mounting element 28th on.
- the attachment element 28 has an inner end region 29, which rests against the housing 12 when the attachment element 28 abuts an end portion of the housing 12 by a plurality of Screws (not shown) is attached, which is characterized by extending axially extending screw recesses 32.
- the Attachment 28 receives the flyweight carrier 24, and the Flyweight carrier 24 engages an end portion of the insert 16 on.
- the attachment 28 has a hollow, cylindrical Body 34, which an annular flyweight element bearing surface or a contact surface 36 forms. Like it can be seen edgewise in Fig.
- the contact surface 36th frusto-conical, substantially radially inward and axial towards the inner end portion 29 and to the shoulder 14 turned, and extends radially from an outer edge 38 inwardly and axially away from the shoulder 14 to an inner one Edge 40.
- the centrifugal weight carrier 24 has a plurality (preferably three) cut out areas or slots 42, of which each receives a corresponding flyweight element 26.
- each Fliehmatielement 26 is based on the attachment element 28th arranged radially inward and has a main body 44 with an attachment opening 46 at its axial outer end portion 48 on.
- Each flyweight element 26 is pivotable on one Pin 43 arranged, which extends through the mounting opening 46th extends and which by pin holders 45 and 47 at opposite sides of the flyweight element 26th is appropriate.
- Each flyweight element 26 has an arm 50 which is essentially of an axially inner End portion 52 of the main body 44 extends radially outward.
- a ring contact surface or a contact region 54 is on the arm 50 provided to engage the abutment surface 36.
- the investment area 54 substantially radially outwardly and from the shoulder 14 turned away.
- the centrifugal weight carrier 24 on the End of the insert 16 meet to an input tube the center of the centrifugal casting mold 10 so that no liquid metal can drip into a loose seam and get there builds up over time.
- the inner end of the Fliehitesiss 24 should the attachment 20 of the insert 16 enclose loose (not necessarily complete) to the Maintain alignment of the end cap 22.
- This end cap 22 must not be taken hydraulically and can be removed and it can withstand high temperatures.
- the flyweight elements 26 are not radially from the centrifugal casting mold 10 and therefore do not hinder the Movement of the centrifugal casting mold 10 and do not prevent the Use of the centrifugal mold 10 in a mold magazine.
- each of the flyweight element 70 on a tool 76th engaging region and each flyweight element 70 cooperates with the tool 76 to disengage from the Attachment 28 to arrive when the tool in the direction of Insert 16 is moved.
- each has Flyweight element 70 has an outer arm 72 which extends extends substantially axially away from its inner arm 74 away.
- An attachment and removal tool 76 has a hollow, pointed, cylindrical base body 78, which a frusto-conical surface 80 which forms on the End portions of the arms 72 attacks.
- each flyweight element 90 has a Arm 92 for engaging a tool 94 and each Fliehfirstelement 90 cooperates with the tool 94 to to pivot out of engagement with the attachment member 28 when the tool 94 is rotated about its central axis.
- the Tool 94 has a hollow cylindrical body 96th with a plurality of stops 98, extending from this extend radially away.
- the pivot inner end portions of the flyweight elements 26, 70, 90 radially to the outside, when the centrifugal casting mold 10 is rotated.
- the Flyweight elements 26, 70, 90 work with the contact surfaces 36 of the attachment member 28 together to cause the Flyweight carrier 24 axially in the direction of the insert 16th move while pressing the insert 16 against the shoulder 14.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dental Prosthetics (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
- Manufacture Of Motors, Generators (AREA)
- Pens And Brushes (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Description
- Fig. 1
- eine Ansicht eines Endbereichs eines Endaufsatzes für eine Schleudergußform,
- Fig. 2
- einen Schnitt entlang der Linie 2 - 2 aus Fig. 1 in Richtung der Pfeile,
- Fig. 3
- eine teilweise Darstellung einer alternativen Ausführungsform eines Endaufsatzes zusammen mit einem Einsetz- bzw. Entnahme-Werkzeug,
- Fig. 4
- eine teilweise Darstellung entsprechend Fig. 3 einer weiteren alternativen Ausführungsform eines Endaufsatzes und
- Fig. 5
- eine Frontansicht eines Einsetz- bzw. Entnahme-Werkzeugs entsprechend Fig. 4.
Claims (9)
- Schleudergußform (10) mit eine Gehäuse (12) sowie einem in dem Gehäuse (12) anordenbaren Einsatz (16) und einem Endaufsatz (22), wobei der Endaufsatz (22) zumindest zwei verschwenkbare Fliehgewichtelemente (26, 70, 90) aufweist, welche bezogen auf die Schleudergußform (10) radial innen liegend angeordnet sind, dadurch gekennzeichnet, daß die Fliehgewichtelemente (26, 70, 90) derart mit dem Endaufsatz (22) zusammenwirken, daß sie, zumindest wenn die Schleudergußform (10) in Rotation versetzt wird, radial nach außen schwenken und den Einsatz (16) in dem Gehäuse (12) sichern können, ohne dabei mit dem Einsatz (16) in Kontakt zu treten.
- Schleudergußform nach Anspruch 1, dadurch gekennzeichnet, daß die Schleudergußform (10) ein mit dem Gehäuse (12) verbindbares Anbauelement (28) und einen mit den Fliehgewichten (26, 70, 90) direkt bzw. indirekt verbundenen Fliehgewichtträger (24) aufweist.
- Schleudergußform nach Anspruch 2, dadurch gekennzeichnet, daß das Anbauelement (28) derart ausgebildet ist, daß es zumindest den Fliehgewichtträger (24) aufnehmen kann und eine Anlagefläche (36) zur Verfügung stellt, an der ein entsprechend ausgebildeter Anlagebereich (54) des Fliehgewichtelements (26, 70, 90), der vorzugsweise an einem von einem Hauptkörper (44) des Fliehgewichtelements (26, 70, 90) abstehenden Arm (50) angeordnet ist, angreifen kann.
- Schleudergußform nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß das Anbauelement (28) einen Endbereich (29) zur Anlage an dem Gehäuse (12) aufweist und sich der Anlagebereich (54) zumindest im wesentlichen radial und axial in Richtung dieses Endbereichs (29) erstreckt.
- Schleudergußform nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß die Anlagefläche (36) zumindest im wesentlichen kegelstumpfförmig ausgebildet und radial nach innen gerichtet ist.
- Schleudergußform nach einem oder mehreren der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß jedes der Fliehgewichtelemente (26, 70, 90) einen Bereich aufweist, an dem ein Werkzeug (76, 94) derart angreifen kann, daß das Fliehgewichtelement (26, 70, 90) außer Eingriff mit dem Anbauelement (28) gebracht bzw. verschwenkt werden kann.
- Schleudergußform nach einem oder mehreren der vorherigen Ansprüche, dadurch gekennzeichnet, daß jedes Fliehgewichtelement (26, 70, 90) einen inneren bzw. einen äußeren Arm (72, 74) aufweist, wobei vorzugsweise der äußere Arm (72) mit dem Werkzeug (76, 94) zusammenwirken kann.
- Verfahren zum Lösen eines Endaufsatzes (22) von einer Schleudergußform (10) nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß ein Werkzeug (76, 94) mit einem zumindest im wesentlichen zylindrischen Grundkörper (78, 96) derart mit dem Bereich zusammenwirkt, daß die Fliehgewichtelemente (26, 70, 90) durch ein Einsetzen bzw. ein Drehen des Werkzeugs (76, 94) verschwenkt werden.
- Verfahren nach Anspruch 8, dadurch gekennzeichnet, daß der Grundkörper (78, 96) sich einenends konisch verjüngt bzw. sich radial nach außen erstreckende Vorsprünge aufweist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US515636 | 1983-07-21 | ||
US09/515,636 US6595268B1 (en) | 2000-02-29 | 2000-02-29 | Spin cast end cap assembly with internal flyweights |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1129801A1 EP1129801A1 (de) | 2001-09-05 |
EP1129801B1 true EP1129801B1 (de) | 2005-09-28 |
Family
ID=24052144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01103291A Expired - Lifetime EP1129801B1 (de) | 2000-02-29 | 2001-02-13 | Schleudergussform und Verfahren zum Lösen eines Endaufsatzes von einer Schleudergussform |
Country Status (8)
Country | Link |
---|---|
US (1) | US6595268B1 (de) |
EP (1) | EP1129801B1 (de) |
JP (1) | JP3425942B2 (de) |
AR (1) | AR027574A1 (de) |
AT (1) | ATE305349T1 (de) |
CA (1) | CA2316133A1 (de) |
DE (1) | DE50107532D1 (de) |
ZA (1) | ZA200101625B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102416457A (zh) * | 2011-12-21 | 2012-04-18 | 湖北省缸套厂 | 一种制作分切式缸套毛坯体的开合式模具 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107225224B (zh) * | 2017-06-19 | 2019-01-01 | 武汉理工大学 | 一种模筒挡板机构及双金属离心浇铸复合管制作方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1583576A (en) | 1920-01-30 | 1926-05-04 | Charles E Wisner | Centrifugal casting machine |
US1486544A (en) | 1922-02-27 | 1924-03-11 | John A Rathbone | Centrifugal casting apparatus |
US1485860A (en) | 1922-11-28 | 1924-03-04 | Us Cast Iron Pipe & Foundry Co | Centrifugal casting machine |
US1489036A (en) | 1922-12-29 | 1924-04-01 | Us Cast Iron Pipe & Foundry Co | Centrifugal casting mecahnism |
US2267010A (en) | 1940-12-30 | 1941-12-23 | William T Anderson | Centrifugal casting machine |
US2370953A (en) | 1941-01-10 | 1945-03-06 | Ind Steels Ltd | Centrifugal casting machine |
DE767244C (de) | 1942-12-08 | 1952-05-02 | Eisenwerke A G Deutsche | Vorrichtung zur Herstellung von Schleudergusshohlkoerpern |
US3004314A (en) | 1959-09-17 | 1961-10-17 | United States Pipe Foundry | Centrifugal casting process |
JPS5659571A (en) * | 1979-10-22 | 1981-05-23 | Kubota Ltd | Front cover holder of centrifugal casting apparatus |
JPS5815222B2 (ja) | 1981-01-30 | 1983-03-24 | 株式会社クボタ | 遠心鋳造装置の前蓋保持装置 |
JPS585747B2 (ja) * | 1981-03-12 | 1983-02-01 | 株式会社クボタ | 遠心鋳造機の中子保持装置 |
US4901782A (en) | 1987-05-29 | 1990-02-20 | Michihiro Giken Company | Centrifugal casting mold |
GB2265098B (en) * | 1992-03-21 | 1994-12-14 | Gibson Centri Tech Limited | Centrifugal casting machines and apparatus for use therewith |
-
2000
- 2000-02-29 US US09/515,636 patent/US6595268B1/en not_active Expired - Fee Related
- 2000-08-15 CA CA002316133A patent/CA2316133A1/en not_active Abandoned
-
2001
- 2001-02-13 AT AT01103291T patent/ATE305349T1/de not_active IP Right Cessation
- 2001-02-13 EP EP01103291A patent/EP1129801B1/de not_active Expired - Lifetime
- 2001-02-13 DE DE50107532T patent/DE50107532D1/de not_active Expired - Fee Related
- 2001-02-19 JP JP2001041211A patent/JP3425942B2/ja not_active Expired - Fee Related
- 2001-02-27 ZA ZA200101625A patent/ZA200101625B/xx unknown
- 2001-02-28 AR ARP010100924A patent/AR027574A1/es active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102416457A (zh) * | 2011-12-21 | 2012-04-18 | 湖北省缸套厂 | 一种制作分切式缸套毛坯体的开合式模具 |
CN102416457B (zh) * | 2011-12-21 | 2012-09-05 | 湖北省缸套厂 | 一种制作分切式缸套毛坯体的开合式模具 |
Also Published As
Publication number | Publication date |
---|---|
ATE305349T1 (de) | 2005-10-15 |
EP1129801A1 (de) | 2001-09-05 |
JP2001287005A (ja) | 2001-10-16 |
JP3425942B2 (ja) | 2003-07-14 |
US6595268B1 (en) | 2003-07-22 |
CA2316133A1 (en) | 2001-08-29 |
DE50107532D1 (de) | 2005-11-03 |
ZA200101625B (en) | 2002-08-27 |
AR027574A1 (es) | 2003-04-02 |
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